This Atmega16 Board consists of all the Ports used for I/P & O/P functions. Compact size so as to fit at any tangible space. Two power jack provided one for battery & the other for an adaptor. This dev board also consist of two regulated power supply i.e 5v & 12v. The regulator IC is also shielded with heat sinks in order to protect them from over heating. Each power supply has its own O/P ports to use it for other boards. this board can only be programmed through USBASP Programmer through ISP port provided.